Hyperfinite may refer to:
Hyperfinite set, a type of internal set in non-standard analysis Hyperfinite von Neumann algebra, also called amenable von Neumann algebras Hyperfinite type II factor, a unique von Neumann algebra that is a factor of type II and also hyperfinite Hyper-finite field, an uncountable field similar in many ways to finite fields Uniformly hyperfinite algebra, a C*-algebra that can be written as the closure of an increasing union of finite-dimensional full matrix algebras